agriculture MCQs – Page 69

Practise multiple-choice questions from agriculture for competitive examinations and subject revision. Review each marked answer and report any item that may be outdated or unclear.

agriculture Mcqs

1. soil science 2. agronomy 3. entomology 4. water management 5. horticulture 6. agricultural economics 7. plant pathology 8. food technology 9. animal husbandry 10. plant breeding and genetics

1361. The outer most part of plant cell is____________________?
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A. Plasma membrane

B. Nuclear membrane

C. Epidermis

D. Cellulose cell wall

1362. RELPs, RAPD are helpful in________________?
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A. All the above

B. Identify new genes

C. Gene mapping

D. Gene sequencing

1363. Cytoplasmic genetic male sterility was first discovered by___________________?
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A. Jones and Davies (1944)

B. Nilson (1900)

C. Bruce and Keeble (1908)

D. Devaries and Correns (1900)

1364. Top cross was first suggested by__________________?
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A. East (1908)

B. Davis (1927)

C. Simmonds (1979)

D. Davenport (1908)

1365. Colchicum () is extracted from__________________?
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A. Seed

B. Flower

C. Fruit

D. Bulb

1366. An individual lacking only one chromosome from the diploid set is referred as_________________?
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A. Nullisomic

B. Tetrasomic

C. Trisomic

D. Monosomic

1367. Herkogamy is found in___________________?
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A. Lucrene

B. Alfalfa

C. Barley

D. Berseen

1368. From a single ear of corn a farmer planted 300 kernels which produced 225 tall and 75 short plants. the genotype of these offsprings are most likely to be_____________________?
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A. TT and tt only

B. TT Tt and tt

C. TT and Tt only

D. Tt and Tt only

1369. The change in chromosome number which involves the entire set of genome is known as______________?
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A. Anenploidy

B. Euploidy

C. Trisomy

D. all the above

1370. Presence of slight differences in identical twins support the hypothesis that___________________?
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A. The environment effects the expression of genetic character

B. Dominance may be incomplete

C. Genetic trails are influence by many genes

D. Single gene may produce multiple effects

1371. Parthenocarpy is the production of____________________?
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A. fruit without fertilization

B. Only seed and no fruit

C. Fruit without pollination

D. Seed without fertilization

1372. Concept of path coefficient analysis was given by_________________?
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A. Fisher (1918)

B. Smith (1936)

C. Wright (1921)

D. Mather (1949)

1373. The concept of multi line varieties was developed by_________________?
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A. Jensen (1952)

B. Goulden (1939)

C. Johannsen (1903)

D. Falconer (1960)

1374. A gene which enhances the natural mutations rate of another gene in the same genome is kanown as___________________?
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A. Mutable gene

B. Recepror gene

C. Articulator gene

D. Mutator gene

1375. If diploid chromo me number in flowering plant is 8 then 4 chromosomes will be present in_________________?
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A. Endosperm cell

B. Leaf cells

C. Cotyledonary cell

D. Synergids

1376. The term homeostasis was coined by_____________________?
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A. Jinks (1968)

B. Freeman (1971)

C. Lemer (1954)

D. Warner (1952)

1377. Vertical resistance is also known as_________________?
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A. Qualitative

B. Race specific

C. Oligogenic

D. All the above

1378. The first artificial hybridization in fruit crops was done by____________________?
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A. Morgan

B. Fischer

C. Muller

D. Knight

1379. Mutation was first discovered by________________?
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A. Wright (1791)

B. deVries (1900)

C. Morgan (1910)

D. Stadler (1928)

1380. Jumping gene was first discovered in______________________?
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A. Maize

B. Sorghum

C. Oenothera

D. Barley

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